The Armenian violinist, Sergey Khachatryan, won in December 2000 First Prize in the VIII International Jean Sibelius competition in Helsinki, becoming the youngest ever winner in the history of the competition. In 2005 he claimed the First Prize at the Queen Elizabeth Competition in Brussels.

With sister Lusine, Sergey Khachatryan has performed recitals at Wigmore Hall, Alte Oper in Frankfurt, the National Auditorium in Madrid and at Carnegie Hall, as well as the Theatre des Champs Elysees Paris, the Palais des Beaux Arts in Brussels and the Concertgebouw in Amsterdam.